From Duncan Sargeant: Cisco SS7 RUDP, RLM, and Session Management

support.

svn path=/trunk/; revision=10480

4 files changed, 265 insertions, 0 deletions

diff --git a/plugins/ciscosm/Makefile.am b/plugins/ciscosm/Makefile.am
new file mode 100644
index 0000000000..f8049321e0
--- /dev/null
+++ b/plugins/ciscosm/Makefile.am
@@ -0,0 +1,44 @@
+# Makefile.am
+# Automake file for Cisco SS7 Session Management dissector
+# Copyright 2004, Duncan Sargeant <dunc-ethereal@rcpt.to>
+#
+# $Id: Makefile.am,v 1.1 2004/03/25 11:21:06 guy Exp $
+#
+# Ethereal - Network traffic analyzer
+# By Gerald Combs <gerald@ethereal.com>
+# Copyright 1998 Gerald Combs
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+
+INCLUDES = -I$(top_srcdir)
+
+plugindir = @plugindir@
+
+plugin_LTLIBRARIES = ciscosm.la
+ciscosm_la_SOURCES = packet-sm.c moduleinfo.h
+ciscosm_la_LDFLAGS = -module -avoid-version
+
+# Libs must be cleared, or else libtool won't create a shared module.
+# If your module needs to be linked against any particular libraries,
+# add them here.
+LIBS =
+
+CLEANFILES = \
+	ciscosm \
+	*~
+
+EXTRA_DIST = \
+	Makefile.nmake
diff --git a/plugins/ciscosm/Makefile.nmake b/plugins/ciscosm/Makefile.nmake
new file mode 100644
index 0000000000..8038737b9d
--- /dev/null
+++ b/plugins/ciscosm/Makefile.nmake
@@ -0,0 +1,21 @@
+#
+# $Id: Makefile.nmake,v 1.1 2004/03/25 11:21:06 guy Exp $
+#
+
+include ..\..\config.nmake
+
+############### no need to modify below this line #########
+
+CFLAGS=/DHAVE_CONFIG_H /I../.. /I../../wiretap $(GLIB_CFLAGS) \
+	/I$(PCAP_DIR)\include -D_U_="" $(LOCAL_CFLAGS)
+
+OBJECTS=packet-sm.obj 
+
+ciscosm.dll ciscosm.exp ciscosm.lib : $(OBJECTS) ..\plugin_api.obj
+	link -dll /out:ciscosm.dll $(OBJECTS) ..\plugin_api.obj \
+	$(GLIB_LIBS)
+
+clean:
+	rm -f $(OBJECTS) ciscosm.dll ciscosm.exp ciscosm.lib $(PDB_FILE)
+
+distclean: clean
diff --git a/plugins/ciscosm/moduleinfo.h b/plugins/ciscosm/moduleinfo.h
new file mode 100644
index 0000000000..2bea0ea6ee
--- /dev/null
+++ b/plugins/ciscosm/moduleinfo.h
@@ -0,0 +1,16 @@
+/* Included *after* config.h, in order to re-define these macros */
+
+#ifdef PACKAGE
+#undef PACKAGE
+#endif
+
+/* Name of package */
+#define PACKAGE "ciscosm"
+
+
+#ifdef VERSION
+#undef VERSION
+#endif
+
+/* Version number of package */
+#define VERSION "0.0.1"
diff --git a/plugins/ciscosm/packet-sm.c b/plugins/ciscosm/packet-sm.c
new file mode 100644
index 0000000000..140bd5f250
--- /dev/null
+++ b/plugins/ciscosm/packet-sm.c
@@ -0,0 +1,184 @@
+/* packet-sm.c
+ * Routines for Cisco Session Management Protocol dissection
+ * Copyright 2004, Duncan Sargeant <dunc-ethereal@rcpt.to>
+ *
+ * $Id: packet-sm.c,v 1.1 2004/03/25 11:21:06 guy Exp $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * Copyright 1998 Gerald Combs
+ *
+ * Copied from WHATEVER_FILE_YOU_USED (where "WHATEVER_FILE_YOU_USED"
+ * is a dissector file; if you just copied this from README.developer,
+ * don't bother with the "Copied from" - you don't even need to put
+ * in a "Copied from" if you copied an existing dissector, especially
+ * if the bulk of the code in the new dissector is your code)
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * This is basically a glue dissector for the Cisco SM protocol.  It sits
+ * between the RUDP and MTP3 layers in conversations on port 7000 between
+ * SLTs and MGCs.  A link to an overview of the technology :
+ * 
+ * http://www.cisco.com/en/US/products/sw/netmgtsw/ps4883/products_installation_and_configuration_guide_chapter09186a008010950a.html
+ *
+ * Link showing debugs of the protocol:
+ * http://www.cisco.com/univercd/cc/td/doc/product/access/sc/rel7/omts/omts_apb.htm#30052
+ *
+ * I'm unable to get local debugs of this protocol, as the SLT's are
+ * slow cpu cisco 2600's, and they tend to drop the signalling links
+ * if you turn any debugging on!  But there's not much interesting
+ * here, its just glue to get the ISUP/MTP3 data nicely.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef NEED_SNPRINTF_H
+# include "snprintf.h"
+#endif
+
+#include <gmodule.h>
+#include <epan/packet.h>
+
+#include "plugins/plugin_api.h"
+#include "plugins/plugin_api_defs.h"
+ /* Define version if we are not building ethereal statically */
+
+#ifndef ENABLE_STATIC
+ G_MODULE_EXPORT const gchar version[] = VERSION;
+#endif
+
+/* Initialize the protocol and registered fields */
+static int proto_sm = -1;
+
+static int hf_sm_sm_msg_type = -1;
+static int hf_sm_protocol = -1;
+static int hf_sm_msg_id = -1;
+static int hf_sm_msg_type = -1;
+static int hf_sm_channel = -1;
+static int hf_sm_bearer = -1;
+static int hf_sm_len = -1;
+
+/* Initialize the subtree pointers */
+static gint ett_sm = -1;
+
+/* Code to actually dissect the packets */
+static void
+dissect_sm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+	proto_item *ti;
+	proto_tree *sm_tree;
+	tvbuff_t *next_tvb = NULL;
+
+	if (check_col(pinfo->cinfo, COL_PROTOCOL)) 
+		col_set_str(pinfo->cinfo, COL_PROTOCOL, "SM");
+
+	if (check_col(pinfo->cinfo, COL_INFO)) 
+		col_set_str(pinfo->cinfo, COL_INFO, "Cisco SM Packet");
+
+	if (tree) {
+		ti = proto_tree_add_item(tree, proto_sm, tvb, 0, 16, FALSE);
+		sm_tree = proto_item_add_subtree(ti, ett_sm);
+		ti = proto_tree_add_item(sm_tree, hf_sm_sm_msg_type, tvb, 0, 4, FALSE);
+		ti = proto_tree_add_item(sm_tree, hf_sm_protocol, tvb, 4, 2, FALSE);
+		ti = proto_tree_add_item(sm_tree, hf_sm_msg_id, tvb, 6, 2, FALSE);
+		ti = proto_tree_add_item(sm_tree, hf_sm_msg_type, tvb, 8, 2, FALSE);
+		ti = proto_tree_add_item(sm_tree, hf_sm_channel, tvb, 10, 2, FALSE);
+		ti = proto_tree_add_item(sm_tree, hf_sm_bearer, tvb, 12, 2, FALSE);
+		ti = proto_tree_add_item(sm_tree, hf_sm_len, tvb, 14, 2, FALSE);
+	}
+
+	next_tvb = tvb_new_subset(tvb, 16, -1, -1);
+	if (tvb_length(next_tvb) && find_dissector("mtp3"))
+		call_dissector(find_dissector("mtp3"), next_tvb, pinfo, tree);
+}
+
+G_MODULE_EXPORT void
+plugin_init(plugin_address_table_t *pat
+#ifndef PLUGINS_NEED_ADDRESS_TABLE
+_U_
+#endif
+)
+{                 
+	static hf_register_info hf[] = {
+		{ &hf_sm_sm_msg_type,
+			{ "SM Message Type",           "sm.sm_msg_type",
+			FT_UINT32, BASE_HEX, NULL, 0x0,          
+			"" }
+		},
+		{ &hf_sm_protocol,
+			{ "Protocol Type",           "sm.protocol",
+			FT_UINT16, BASE_HEX, NULL, 0x0,          
+			"" }
+		},
+		{ &hf_sm_msg_id,
+			{ "Message ID",           "sm.msgid",
+			FT_UINT16, BASE_HEX, NULL, 0x0,          
+			"" }
+		},
+		{ &hf_sm_msg_type,
+			{ "Message Type",           "sm.msg_type",
+			FT_UINT16, BASE_HEX, NULL, 0x0,          
+			"" }
+		},
+		{ &hf_sm_channel,
+			{ "Channel ID",           "sm.channel",
+			FT_UINT16, BASE_HEX, NULL, 0x0,          
+			"" }
+		},
+		{ &hf_sm_bearer,
+			{ "Bearer ID",           "sm.bearer",
+			FT_UINT16, BASE_HEX, NULL, 0x0,          
+			"" }
+		},
+		{ &hf_sm_len,
+			{ "Length",           "sm.len",
+			FT_UINT16, BASE_DEC, NULL, 0x0,          
+			"" }
+		},
+	};
+
+/* Setup protocol subtree array */
+	static gint *ett[] = {
+		&ett_sm,
+	};
+
+/* Initialize the table of pointers needed in Win32 DLLs */
+	plugin_address_table_init(pat);
+
+/* Register the protocol name and description */
+	proto_sm = proto_register_protocol("Cisco Session Management",
+	    "SM", "sm");
+
+	register_dissector("sm", dissect_sm, proto_sm);
+
+/* Required function calls to register the header fields and subtrees used */
+	proto_register_field_array(proto_sm, hf, array_length(hf));
+	proto_register_subtree_array(ett, array_length(ett));
+}
+
+G_MODULE_EXPORT void
+plugin_reg_handoff(void)
+{
+	return;
+}